lib/lib.php

   1 <?php
   2
   3         function failInternalError($sError, $sSQL = false, $vDumpVar = false)
   4         {
   5                 header('HTTP/1.0 500 Internal Server Error');
   6                 header('Content-type: text/html; charset=utf-8');
   7                 echo "<html><body><h1>Internal Server Error</h1>";
   8                 echo '<p>Nominatim has encountered an internal error while processing your request. This is most likely because of a bug in the software.</p>';
   9                 echo "<p><b>Details:</b> ".$sError,"</p>";
  10                 echo '<p>Feel free to report the bug in the <a href="http://trac.openstreetmap.org">OSM bug database</a>. Please include the error message above and the URL you used.</p>';
  11                 if (CONST_Debug)
  12                 {
  13                         echo "<hr><h2>Debugging Information</h2><br>";
  14                         if ($sSQL)
  15                         {
  16                                 echo "<h3>SQL query</h3><code>".$sSQL."</code>";
  17                         }
  18                         if ($vDumpVar)
  19                         {
  20                                 echo "<h3>Result</h3> <code>";
  21                                 var_dump($vDumpVar);
  22                                 echo "</code>";
  23                         }
  24                 }
  25                 echo "\n</body></html>\n";
  26                 exit;
  27         }
  28
  29
  30         function userError($sError)
  31         {
  32                 header('HTTP/1.0 400 Bad Request');
  33                 header('Content-type: text/html; charset=utf-8');
  34                 echo "<html><body><h1>Bad Request</h1>";
  35                 echo '<p>Nominatim has encountered an error with your request.</p>';
  36                 echo "<p><b>Details:</b> ".$sError,"</p>";
  37                 echo '<p>If you feel this error is incorrect feel free to report the bug in the <a href="http://trac.openstreetmap.org">OSM bug database</a>. Please include the error message above and the URL you used.</p>';
  38                 echo "\n</body></html>\n";
  39                 exit;
  40         }
  41
  42         function getParamBool($name, $default=false)
  43         {
  44                 if (!isset($_GET[$name])) return $default;
  45
  46                 return (bool) $_GET[$name];
  47         }
  48
  49         function fail($sError, $sUserError = false)
  50         {
  51                 if (!$sUserError) $sUserError = $sError;
  52                 error_log('ERROR: '.$sError);
  53                 echo $sUserError."\n";
  54                 exit(-1);
  55         }
  56
  57
  58         function getBlockingProcesses()
  59         {
  60                 $sStats = file_get_contents('/proc/stat');
  61                 if (preg_match('/procs_blocked ([0-9]+)/i', $sStats, $aMatches))
  62                 {
  63                         return (int)$aMatches[1];
  64                 }
  65                 return 0;
  66         }
  67
  68
  69         function getLoadAverage()
  70         {
  71                 $sLoadAverage = file_get_contents('/proc/loadavg');
  72                 $aLoadAverage = explode(' ',$sLoadAverage);
  73                 return (float)$aLoadAverage[0];
  74         }
  75
  76
  77         function getProcessorCount()
  78         {
  79                 $sCPU = file_get_contents('/proc/cpuinfo');
  80                 preg_match_all('#processor      : [0-9]+#', $sCPU, $aMatches);
  81                 return sizeof($aMatches[0]);
  82         }
  83
  84
  85         function getTotalMemoryMB()
  86         {
  87                 $sCPU = file_get_contents('/proc/meminfo');
  88                 preg_match('#MemTotal: +([0-9]+) kB#', $sCPU, $aMatches);
  89                 return (int)($aMatches[1]/1024);
  90         }
  91
  92
  93         function getCacheMemoryMB()
  94         {
  95                 $sCPU = file_get_contents('/proc/meminfo');
  96                 preg_match('#Cached: +([0-9]+) kB#', $sCPU, $aMatches);
  97                 return (int)($aMatches[1]/1024);
  98         }
  99
 100
 101         function bySearchRank($a, $b)
 102         {
 103                 if ($a['iSearchRank'] == $b['iSearchRank'])
 104                         return strlen($a['sOperator']) + strlen($a['sHouseNumber']) - strlen($b['sOperator']) - strlen($b['sHouseNumber']);
 105                 return ($a['iSearchRank'] < $b['iSearchRank']?-1:1);
 106         }
 107
 108
 109         function byImportance($a, $b)
 110         {
 111                 if ($a['importance'] != $b['importance'])
 112                         return ($a['importance'] > $b['importance']?-1:1);
 113                 /*
 114                    if ($a['aPointPolygon']['numfeatures'] != $b['aPointPolygon']['numfeatures'])
 115                    return ($a['aPointPolygon']['numfeatures'] > $b['aPointPolygon']['numfeatures']?-1:1);
 116                    if ($a['aPointPolygon']['area'] != $b['aPointPolygon']['area'])
 117                    return ($a['aPointPolygon']['area'] > $b['aPointPolygon']['area']?-1:1);
 118                 //              if ($a['levenshtein'] != $b['levenshtein'])
 119                 //                      return ($a['levenshtein'] < $b['levenshtein']?-1:1);
 120                 if ($a['rank_search'] != $b['rank_search'])
 121                 return ($a['rank_search'] < $b['rank_search']?-1:1);
 122                  */
 123                 return ($a['foundorder'] < $b['foundorder']?-1:1);
 124         }
 125
 126
 127         function getPreferredLanguages($sLangString=false)
 128         {
 129                 if (!$sLangString)
 130                 {
 131                         // If we have been provided the value in $_GET it overrides browser value
 132                         if (isset($_GET['accept-language']) && $_GET['accept-language'])
 133                         {
 134                                 $_SERVER["HTTP_ACCEPT_LANGUAGE"] = $_GET['accept-language'];
 135                                 $sLangString = $_GET['accept-language'];
 136                         }
 137                         else if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"]))
 138                         {
 139                                 $sLangString = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
 140                         }
 141                 }
 142
 143                 $aLanguages = array();
 144                 if ($sLangString)
 145                 {
 146                         if (preg_match_all('/(([a-z]{1,8})(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $sLangString, $aLanguagesParse, PREG_SET_ORDER))
 147                         {
 148                                 foreach($aLanguagesParse as $iLang => $aLanguage)
 149                                 {
 150                                         $aLanguages[$aLanguage[1]] = isset($aLanguage[5])?(float)$aLanguage[5]:1 - ($iLang/100);
 151                                         if (!isset($aLanguages[$aLanguage[2]])) $aLanguages[$aLanguage[2]] = $aLanguages[$aLanguage[1]]/10;
 152                                 }
 153                                 arsort($aLanguages);
 154                         }
 155                 }
 156                 if (!sizeof($aLanguages) && CONST_Default_Language) $aLanguages = array(CONST_Default_Language=>1);
 157                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 158                 {
 159                         $aLangPrefOrder['short_name:'.$sLangauge] = 'short_name:'.$sLangauge;
 160                 }
 161                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 162                 {
 163                         $aLangPrefOrder['name:'.$sLangauge] = 'name:'.$sLangauge;
 164                 }
 165                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 166                 {
 167                         $aLangPrefOrder['place_name:'.$sLangauge] = 'place_name:'.$sLangauge;
 168                 }
 169                 foreach($aLanguages as $sLangauge => $fLangauagePref)
 170                 {
 171                         $aLangPrefOrder['official_name:'.$sLangauge] = 'official_name:'.$sLangauge;
 172                 }
 173                 $aLangPrefOrder['short_name'] = 'short_name';
 174                 $aLangPrefOrder['name'] = 'name';
 175                 $aLangPrefOrder['place_name'] = 'place_name';
 176                 $aLangPrefOrder['official_name'] = 'official_name';
 177                 $aLangPrefOrder['ref'] = 'ref';
 178                 $aLangPrefOrder['type'] = 'type';
 179                 return $aLangPrefOrder;
 180         }
 181
 182
 183         function getWordSets($aWords, $iDepth)
 184         {
 185                 $aResult = array(array(join(' ',$aWords)));
 186                 $sFirstToken = '';
 187                 if ($iDepth < 7) {
 188                         while(sizeof($aWords) > 1)
 189                         {
 190                                 $sWord = array_shift($aWords);
 191                                 $sFirstToken .= ($sFirstToken?' ':'').$sWord;
 192                                 $aRest = getWordSets($aWords, $iDepth+1);
 193                                 foreach($aRest as $aSet)
 194                                 {
 195                                         $aResult[] = array_merge(array($sFirstToken),$aSet);
 196                                 }
 197                         }
 198                 }
 199                 return $aResult;
 200         }
 201
 202         function getInverseWordSets($aWords, $iDepth)
 203         {
 204                 $aResult = array(array(join(' ',$aWords)));
 205                 $sFirstToken = '';
 206                 if ($iDepth < 8)
 207                 {
 208                         while(sizeof($aWords) > 1)
 209                         {
 210                                 $sWord = array_pop($aWords);
 211                                 $sFirstToken = $sWord.($sFirstToken?' ':'').$sFirstToken;
 212                                 $aRest = getInverseWordSets($aWords, $iDepth+1);
 213                                 foreach($aRest as $aSet)
 214                                 {
 215                                         $aResult[] = array_merge(array($sFirstToken),$aSet);
 216                                 }
 217                         }
 218                 }
 219                 return $aResult;
 220         }
 221
 222
 223         function getTokensFromSets($aSets)
 224         {
 225                 $aTokens = array();
 226                 foreach($aSets as $aSet)
 227                 {
 228                         foreach($aSet as $sWord)
 229                         {
 230                                 $aTokens[' '.$sWord] = ' '.$sWord;
 231                                 $aTokens[$sWord] = $sWord;
 232                                 //if (!strpos($sWord,' ')) $aTokens[$sWord] = $sWord;
 233                         }
 234                 }
 235                 return $aTokens;
 236         }
 237
 238
 239         /*
 240            GB Postcode functions
 241          */
 242
 243         function gbPostcodeAlphaDifference($s1, $s2)
 244         {
 245                 $aValues = array(
 246                                 'A'=>0,
 247                                 'B'=>1,
 248                                 'D'=>2,
 249                                 'E'=>3,
 250                                 'F'=>4,
 251                                 'G'=>5,
 252                                 'H'=>6,
 253                                 'J'=>7,
 254                                 'L'=>8,
 255                                 'N'=>9,
 256                                 'O'=>10,
 257                                 'P'=>11,
 258                                 'Q'=>12,
 259                                 'R'=>13,
 260                                 'S'=>14,
 261                                 'T'=>15,
 262                                 'U'=>16,
 263                                 'W'=>17,
 264                                 'X'=>18,
 265                                 'Y'=>19,
 266                                 'Z'=>20);
 267                 return abs(($aValues[$s1[0]]*21+$aValues[$s1[1]]) - ($aValues[$s2[0]]*21+$aValues[$s2[1]]));
 268         }
 269
 270
 271         function gbPostcodeCalculate($sPostcode, $sPostcodeSector, $sPostcodeEnd, &$oDB)
 272         {
 273                 // Try an exact match on the gb_postcode table
 274                 $sSQL = 'select \'AA\', ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from gb_postcode where postcode = \''.$sPostcode.'\'';
 275                 $aNearPostcodes = $oDB->getAll($sSQL);
 276                 if (PEAR::IsError($aNearPostcodes))
 277                 {
 278                         var_dump($sSQL, $aNearPostcodes);
 279                         exit;
 280                 }
 281
 282                 if (sizeof($aNearPostcodes))
 283                 {
 284                         $aPostcodes = array();
 285                         foreach($aNearPostcodes as $aPostcode)
 286                         {
 287                                 $aPostcodes[] = array('lat' => $aPostcode['lat'], 'lon' => $aPostcode['lon'], 'radius' => 0.005);
 288                         }
 289
 290                         return $aPostcodes;
 291                 }
 292
 293                 return false;
 294         }
 295
 296
 297         function usPostcodeCalculate($sPostcode, &$oDB)
 298         {
 299                 $iZipcode = (int)$sPostcode;
 300
 301                 // Try an exact match on the us_zippostcode table
 302                 $sSQL = 'select zipcode, ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from us_zipcode where zipcode = '.$iZipcode;
 303                 $aNearPostcodes = $oDB->getAll($sSQL);
 304                 if (PEAR::IsError($aNearPostcodes))
 305                 {
 306                         var_dump($sSQL, $aNearPostcodes);
 307                         exit;
 308                 }
 309
 310                 if (!sizeof($aNearPostcodes))
 311                 {
 312                         $sSQL = 'select zipcode,ST_X(ST_Centroid(geometry)) as lon,ST_Y(ST_Centroid(geometry)) as lat from us_zipcode where zipcode between '.($iZipcode-100).' and '.($iZipcode+100).' order by abs(zipcode - '.$iZipcode.') asc limit 5';
 313                         $aNearPostcodes = $oDB->getAll($sSQL);
 314                         if (PEAR::IsError($aNearPostcodes))
 315                         {
 316                                 var_dump($sSQL, $aNearPostcodes);
 317                                 exit;
 318                         }
 319                 }
 320
 321                 if (!sizeof($aNearPostcodes))
 322                 {
 323                         return false;
 324                 }
 325
 326                 $fTotalLat = 0;
 327                 $fTotalLon = 0;
 328                 $fTotalFac = 0;
 329                 foreach($aNearPostcodes as $aPostcode)
 330                 {
 331                         $iDiff = abs($aPostcode['zipcode'] - $iZipcode) + 1;
 332                         if ($iDiff == 0)
 333                                 $fFac = 1;
 334                         else
 335                                 $fFac = 1/($iDiff*$iDiff);
 336
 337                         $fTotalFac += $fFac;
 338                         $fTotalLat += $aPostcode['lat'] * $fFac;
 339                         $fTotalLon += $aPostcode['lon'] * $fFac;
 340                 }
 341                 if ($fTotalFac)
 342                 {
 343                         $fLat = $fTotalLat / $fTotalFac;
 344                         $fLon = $fTotalLon / $fTotalFac;
 345                         return array(array('lat' => $fLat, 'lon' => $fLon, 'radius' => 0.2));
 346                 }
 347                 return false;
 348
 349                 /*
 350                    $fTotalFac is a surprisingly good indicator of accuracy
 351                    $iZoom = 18 + round(log($fTotalFac,32));
 352                    $iZoom = max(13,min(18,$iZoom));
 353                  */
 354         }
 355
 356
 357         function getClassTypes()
 358         {
 359                 return array(
 360  'boundary:administrative:1' => array('label'=>'Continent','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 361  'boundary:administrative:2' => array('label'=>'Country','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 362  'place:country' => array('label'=>'Country','frequency'=>0,'icon'=>'poi_boundary_administrative','defzoom'=>6, 'defdiameter' => 15,),
 363  'boundary:administrative:3' => array('label'=>'State','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 364  'boundary:administrative:4' => array('label'=>'State','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 365  'place:state' => array('label'=>'State','frequency'=>0,'icon'=>'poi_boundary_administrative','defzoom'=>8, 'defdiameter' => 5.12,),
 366  'boundary:administrative:5' => array('label'=>'State District','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 367  'boundary:administrative:6' => array('label'=>'County','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 368  'boundary:administrative:7' => array('label'=>'County','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 369  'place:county' => array('label'=>'County','frequency'=>108,'icon'=>'poi_boundary_administrative','defzoom'=>10, 'defdiameter' => 1.28,),
 370  'boundary:administrative:8' => array('label'=>'City','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 371  'place:city' => array('label'=>'City','frequency'=>66,'icon'=>'poi_place_city','defzoom'=>12, 'defdiameter' => 0.32,),
 372  'boundary:administrative:9' => array('label'=>'City District','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 373  'boundary:administrative:10' => array('label'=>'Suburb','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 374  'boundary:administrative:11' => array('label'=>'Neighbourhood','frequency'=>0,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 375  'place:region' => array('label'=>'Region','frequency'=>0,'icon'=>'poi_boundary_administrative','defzoom'=>8, 'defdiameter' => 0.04,),
 376  'place:island' => array('label'=>'Island','frequency'=>288,'icon'=>'','defzoom'=>11, 'defdiameter' => 0.64,),
 377  'boundary:administrative' => array('label'=>'Administrative','frequency'=>413,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 378  'boundary:postal_code' => array('label'=>'Postcode','frequency'=>413,'icon'=>'poi_boundary_administrative', 'defdiameter' => 0.32,),
 379  'place:town' => array('label'=>'Town','frequency'=>1497,'icon'=>'poi_place_town','defzoom'=>14, 'defdiameter' => 0.08,),
 380  'place:village' => array('label'=>'Village','frequency'=>11230,'icon'=>'poi_place_village','defzoom'=>15, 'defdiameter' => 0.04,),
 381  'place:hamlet' => array('label'=>'Hamlet','frequency'=>7075,'icon'=>'poi_place_village','defzoom'=>15, 'defdiameter' => 0.04,),
 382  'place:suburb' => array('label'=>'Suburb','frequency'=>2528,'icon'=>'poi_place_village', 'defdiameter' => 0.04,),
 383  'place:locality' => array('label'=>'Locality','frequency'=>4113,'icon'=>'poi_place_village', 'defdiameter' => 0.02,),
 384  'landuse:farm' => array('label'=>'Farm','frequency'=>1201,'icon'=>'', 'defdiameter' => 0.02,),
 385  'place:farm' => array('label'=>'Farm','frequency'=>1162,'icon'=>'', 'defdiameter' => 0.02,),
 386
 387  'highway:motorway_junction' => array('label'=>'Motorway Junction','frequency'=>1126,'icon'=>'','simplelabel'=>'Junction',),
 388  'highway:motorway' => array('label'=>'Motorway','frequency'=>4627,'icon'=>'','simplelabel'=>'Road',),
 389  'highway:trunk' => array('label'=>'Trunk','frequency'=>23084,'icon'=>'','simplelabel'=>'Road',),
 390  'highway:primary' => array('label'=>'Primary','frequency'=>32138,'icon'=>'','simplelabel'=>'Road',),
 391  'highway:secondary' => array('label'=>'Secondary','frequency'=>25807,'icon'=>'','simplelabel'=>'Road',),
 392  'highway:tertiary' => array('label'=>'Tertiary','frequency'=>29829,'icon'=>'','simplelabel'=>'Road',),
 393  'highway:residential' => array('label'=>'Residential','frequency'=>361498,'icon'=>'','simplelabel'=>'Road',),
 394  'highway:unclassified' => array('label'=>'Unclassified','frequency'=>66441,'icon'=>'','simplelabel'=>'Road',),
 395  'highway:living_street' => array('label'=>'Living Street','frequency'=>710,'icon'=>'','simplelabel'=>'Road',),
 396  'highway:service' => array('label'=>'Service','frequency'=>9963,'icon'=>'','simplelabel'=>'Road',),
 397  'highway:track' => array('label'=>'Track','frequency'=>2565,'icon'=>'','simplelabel'=>'Road',),
 398  'highway:road' => array('label'=>'Road','frequency'=>591,'icon'=>'','simplelabel'=>'Road',),
 399  'highway:byway' => array('label'=>'Byway','frequency'=>346,'icon'=>'','simplelabel'=>'Road',),
 400  'highway:bridleway' => array('label'=>'Bridleway','frequency'=>1556,'icon'=>'',),
 401  'highway:cycleway' => array('label'=>'Cycleway','frequency'=>2419,'icon'=>'',),
 402  'highway:pedestrian' => array('label'=>'Pedestrian','frequency'=>2757,'icon'=>'',),
 403  'highway:footway' => array('label'=>'Footway','frequency'=>15008,'icon'=>'',),
 404  'highway:steps' => array('label'=>'Steps','frequency'=>444,'icon'=>'','simplelabel'=>'Footway',),
 405  'highway:motorway_link' => array('label'=>'Motorway Link','frequency'=>795,'icon'=>'','simplelabel'=>'Road',),
 406  'highway:trunk_link' => array('label'=>'Trunk Link','frequency'=>1258,'icon'=>'','simplelabel'=>'Road',),
 407  'highway:primary_link' => array('label'=>'Primary Link','frequency'=>313,'icon'=>'','simplelabel'=>'Road',),
 408
 409  'landuse:industrial' => array('label'=>'Industrial','frequency'=>1062,'icon'=>'',),
 410  'landuse:residential' => array('label'=>'Residential','frequency'=>886,'icon'=>'',),
 411  'landuse:retail' => array('label'=>'Retail','frequency'=>754,'icon'=>'',),
 412  'landuse:commercial' => array('label'=>'Commercial','frequency'=>657,'icon'=>'',),
 413
 414  'place:airport' => array('label'=>'Airport','frequency'=>36,'icon'=>'transport_airport2', 'defdiameter' => 0.03,),
 415  'aeroway:aerodrome' => array('label'=>'Aerodrome','frequency'=>36,'icon'=>'transport_airport2', 'defdiameter' => 0.03,),
 416  'aeroway' => array('label'=>'Aeroway','frequency'=>36,'icon'=>'transport_airport2', 'defdiameter' => 0.03,),
 417  'railway:station' => array('label'=>'Station','frequency'=>3431,'icon'=>'transport_train_station2', 'defdiameter' => 0.01,),
 418  'amenity:place_of_worship' => array('label'=>'Place Of Worship','frequency'=>9049,'icon'=>'place_of_worship_unknown3',),
 419  'amenity:pub' => array('label'=>'Pub','frequency'=>18969,'icon'=>'food_pub',),
 420  'amenity:bar' => array('label'=>'Bar','frequency'=>164,'icon'=>'food_bar',),
 421  'amenity:university' => array('label'=>'University','frequency'=>607,'icon'=>'education_university',),
 422  'tourism:museum' => array('label'=>'Museum','frequency'=>543,'icon'=>'tourist_museum',),
 423  'amenity:arts_centre' => array('label'=>'Arts Centre','frequency'=>136,'icon'=>'tourist_art_gallery2',),
 424  'tourism:zoo' => array('label'=>'Zoo','frequency'=>47,'icon'=>'tourist_zoo',),
 425  'tourism:theme_park' => array('label'=>'Theme Park','frequency'=>24,'icon'=>'poi_point_of_interest',),
 426  'tourism:attraction' => array('label'=>'Attraction','frequency'=>1463,'icon'=>'poi_point_of_interest',),
 427  'leisure:golf_course' => array('label'=>'Golf Course','frequency'=>712,'icon'=>'sport_golf',),
 428  'historic:castle' => array('label'=>'Castle','frequency'=>316,'icon'=>'tourist_castle',),
 429  'amenity:hospital' => array('label'=>'Hospital','frequency'=>879,'icon'=>'health_hospital',),
 430  'amenity:school' => array('label'=>'School','frequency'=>8192,'icon'=>'education_school',),
 431  'amenity:theatre' => array('label'=>'Theatre','frequency'=>371,'icon'=>'tourist_theatre',),
 432  'amenity:public_building' => array('label'=>'Public Building','frequency'=>985,'icon'=>'',),
 433  'amenity:library' => array('label'=>'Library','frequency'=>794,'icon'=>'amenity_library',),
 434  'amenity:townhall' => array('label'=>'Townhall','frequency'=>242,'icon'=>'',),
 435  'amenity:community_centre' => array('label'=>'Community Centre','frequency'=>157,'icon'=>'',),
 436  'amenity:fire_station' => array('label'=>'Fire Station','frequency'=>221,'icon'=>'amenity_firestation3',),
 437  'amenity:police' => array('label'=>'Police','frequency'=>334,'icon'=>'amenity_police2',),
 438  'amenity:bank' => array('label'=>'Bank','frequency'=>1248,'icon'=>'money_bank2',),
 439  'amenity:post_office' => array('label'=>'Post Office','frequency'=>859,'icon'=>'amenity_post_office',),
 440  'leisure:park' => array('label'=>'Park','frequency'=>2378,'icon'=>'',),
 441  'amenity:park' => array('label'=>'Park','frequency'=>53,'icon'=>'',),
 442  'landuse:park' => array('label'=>'Park','frequency'=>50,'icon'=>'',),
 443  'landuse:recreation_ground' => array('label'=>'Recreation Ground','frequency'=>517,'icon'=>'',),
 444  'tourism:hotel' => array('label'=>'Hotel','frequency'=>2150,'icon'=>'accommodation_hotel2',),
 445  'tourism:motel' => array('label'=>'Motel','frequency'=>43,'icon'=>'',),
 446  'amenity:cinema' => array('label'=>'Cinema','frequency'=>277,'icon'=>'tourist_cinema',),
 447  'tourism:artwork' => array('label'=>'Artwork','frequency'=>171,'icon'=>'tourist_art_gallery2',),
 448  'historic:archaeological_site' => array('label'=>'Archaeological Site','frequency'=>407,'icon'=>'tourist_archaeological2',),
 449  'amenity:doctors' => array('label'=>'Doctors','frequency'=>581,'icon'=>'health_doctors',),
 450  'leisure:sports_centre' => array('label'=>'Sports Centre','frequency'=>767,'icon'=>'sport_leisure_centre',),
 451  'leisure:swimming_pool' => array('label'=>'Swimming Pool','frequency'=>24,'icon'=>'sport_swimming_outdoor',),
 452  'shop:supermarket' => array('label'=>'Supermarket','frequency'=>2673,'icon'=>'shopping_supermarket',),
 453  'shop:convenience' => array('label'=>'Convenience','frequency'=>1469,'icon'=>'shopping_convenience',),
 454  'amenity:restaurant' => array('label'=>'Restaurant','frequency'=>3179,'icon'=>'food_restaurant',),
 455  'amenity:fast_food' => array('label'=>'Fast Food','frequency'=>2289,'icon'=>'food_fastfood',),
 456  'amenity:cafe' => array('label'=>'Cafe','frequency'=>1780,'icon'=>'food_cafe',),
 457  'tourism:guest_house' => array('label'=>'Guest House','frequency'=>223,'icon'=>'accommodation_bed_and_breakfast',),
 458  'amenity:pharmacy' => array('label'=>'Pharmacy','frequency'=>733,'icon'=>'health_pharmacy_dispensing',),
 459  'amenity:fuel' => array('label'=>'Fuel','frequency'=>1308,'icon'=>'transport_fuel',),
 460  'natural:peak' => array('label'=>'Peak','frequency'=>3212,'icon'=>'poi_peak',),
 461  'waterway:waterfall' => array('label'=>'Waterfall','frequency'=>24,'icon'=>'',),
 462  'natural:wood' => array('label'=>'Wood','frequency'=>1845,'icon'=>'landuse_coniferous_and_deciduous',),
 463  'natural:water' => array('label'=>'Water','frequency'=>1790,'icon'=>'',),
 464  'landuse:forest' => array('label'=>'Forest','frequency'=>467,'icon'=>'',),
 465  'landuse:cemetery' => array('label'=>'Cemetery','frequency'=>463,'icon'=>'',),
 466  'landuse:allotments' => array('label'=>'Allotments','frequency'=>408,'icon'=>'',),
 467  'landuse:farmyard' => array('label'=>'Farmyard','frequency'=>397,'icon'=>'',),
 468  'railway:rail' => array('label'=>'Rail','frequency'=>4894,'icon'=>'',),
 469  'waterway:canal' => array('label'=>'Canal','frequency'=>1723,'icon'=>'',),
 470  'waterway:river' => array('label'=>'River','frequency'=>4089,'icon'=>'',),
 471  'waterway:stream' => array('label'=>'Stream','frequency'=>2684,'icon'=>'',),
 472  'shop:bicycle' => array('label'=>'Bicycle','frequency'=>349,'icon'=>'shopping_bicycle',),
 473  'shop:clothes' => array('label'=>'Clothes','frequency'=>315,'icon'=>'shopping_clothes',),
 474  'shop:hairdresser' => array('label'=>'Hairdresser','frequency'=>312,'icon'=>'shopping_hairdresser',),
 475  'shop:doityourself' => array('label'=>'Doityourself','frequency'=>247,'icon'=>'shopping_diy',),
 476  'shop:estate_agent' => array('label'=>'Estate Agent','frequency'=>162,'icon'=>'shopping_estateagent2',),
 477  'shop:car' => array('label'=>'Car','frequency'=>159,'icon'=>'shopping_car',),
 478  'shop:garden_centre' => array('label'=>'Garden Centre','frequency'=>143,'icon'=>'shopping_garden_centre',),
 479  'shop:car_repair' => array('label'=>'Car Repair','frequency'=>141,'icon'=>'shopping_car_repair',),
 480  'shop:newsagent' => array('label'=>'Newsagent','frequency'=>132,'icon'=>'',),
 481  'shop:bakery' => array('label'=>'Bakery','frequency'=>129,'icon'=>'shopping_bakery',),
 482  'shop:furniture' => array('label'=>'Furniture','frequency'=>124,'icon'=>'',),
 483  'shop:butcher' => array('label'=>'Butcher','frequency'=>105,'icon'=>'shopping_butcher',),
 484  'shop:apparel' => array('label'=>'Apparel','frequency'=>98,'icon'=>'shopping_clothes',),
 485  'shop:electronics' => array('label'=>'Electronics','frequency'=>96,'icon'=>'',),
 486  'shop:department_store' => array('label'=>'Department Store','frequency'=>86,'icon'=>'',),
 487  'shop:books' => array('label'=>'Books','frequency'=>85,'icon'=>'',),
 488  'shop:yes' => array('label'=>'Shop','frequency'=>68,'icon'=>'',),
 489  'shop:outdoor' => array('label'=>'Outdoor','frequency'=>67,'icon'=>'',),
 490  'shop:mall' => array('label'=>'Mall','frequency'=>63,'icon'=>'',),
 491  'shop:florist' => array('label'=>'Florist','frequency'=>61,'icon'=>'',),
 492  'shop:charity' => array('label'=>'Charity','frequency'=>60,'icon'=>'',),
 493  'shop:hardware' => array('label'=>'Hardware','frequency'=>59,'icon'=>'',),
 494  'shop:laundry' => array('label'=>'Laundry','frequency'=>51,'icon'=>'shopping_laundrette',),
 495  'shop:shoes' => array('label'=>'Shoes','frequency'=>49,'icon'=>'',),
 496  'shop:beverages' => array('label'=>'Beverages','frequency'=>48,'icon'=>'shopping_alcohol',),
 497  'shop:dry_cleaning' => array('label'=>'Dry Cleaning','frequency'=>46,'icon'=>'',),
 498  'shop:carpet' => array('label'=>'Carpet','frequency'=>45,'icon'=>'',),
 499  'shop:computer' => array('label'=>'Computer','frequency'=>44,'icon'=>'',),
 500  'shop:alcohol' => array('label'=>'Alcohol','frequency'=>44,'icon'=>'shopping_alcohol',),
 501  'shop:optician' => array('label'=>'Optician','frequency'=>55,'icon'=>'health_opticians',),
 502  'shop:chemist' => array('label'=>'Chemist','frequency'=>42,'icon'=>'health_pharmacy',),
 503  'shop:gallery' => array('label'=>'Gallery','frequency'=>38,'icon'=>'tourist_art_gallery2',),
 504  'shop:mobile_phone' => array('label'=>'Mobile Phone','frequency'=>37,'icon'=>'',),
 505  'shop:sports' => array('label'=>'Sports','frequency'=>37,'icon'=>'',),
 506  'shop:jewelry' => array('label'=>'Jewelry','frequency'=>32,'icon'=>'shopping_jewelry',),
 507  'shop:pet' => array('label'=>'Pet','frequency'=>29,'icon'=>'',),
 508  'shop:beauty' => array('label'=>'Beauty','frequency'=>28,'icon'=>'',),
 509  'shop:stationery' => array('label'=>'Stationery','frequency'=>25,'icon'=>'',),
 510  'shop:shopping_centre' => array('label'=>'Shopping Centre','frequency'=>25,'icon'=>'',),
 511  'shop:general' => array('label'=>'General','frequency'=>25,'icon'=>'',),
 512  'shop:electrical' => array('label'=>'Electrical','frequency'=>25,'icon'=>'',),
 513  'shop:toys' => array('label'=>'Toys','frequency'=>23,'icon'=>'',),
 514  'shop:jeweller' => array('label'=>'Jeweller','frequency'=>23,'icon'=>'',),
 515  'shop:betting' => array('label'=>'Betting','frequency'=>23,'icon'=>'',),
 516  'shop:household' => array('label'=>'Household','frequency'=>21,'icon'=>'',),
 517  'shop:travel_agency' => array('label'=>'Travel Agency','frequency'=>21,'icon'=>'',),
 518  'shop:hifi' => array('label'=>'Hifi','frequency'=>21,'icon'=>'',),
 519  'amenity:shop' => array('label'=>'Shop','frequency'=>61,'icon'=>'',),
 520  'tourism:information' => array('label'=>'Information','frequency'=>224,'icon'=>'amenity_information',),
 521
 522  'place:house' => array('label'=>'House','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 523  'place:house_name' => array('label'=>'House','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 524  'place:house_number' => array('label'=>'House Number','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 525  'place:country_code' => array('label'=>'Country Code','frequency'=>2086,'icon'=>'','defzoom'=>18,),
 526
 527  //
 528
 529  'leisure:pitch' => array('label'=>'Pitch','frequency'=>762,'icon'=>'',),
 530  'highway:unsurfaced' => array('label'=>'Unsurfaced','frequency'=>492,'icon'=>'',),
 531  'historic:ruins' => array('label'=>'Ruins','frequency'=>483,'icon'=>'tourist_ruin',),
 532  'amenity:college' => array('label'=>'College','frequency'=>473,'icon'=>'education_school',),
 533  'historic:monument' => array('label'=>'Monument','frequency'=>470,'icon'=>'tourist_monument',),
 534  'railway:subway' => array('label'=>'Subway','frequency'=>385,'icon'=>'',),
 535  'historic:memorial' => array('label'=>'Memorial','frequency'=>382,'icon'=>'tourist_monument',),
 536  'leisure:nature_reserve' => array('label'=>'Nature Reserve','frequency'=>342,'icon'=>'',),
 537  'leisure:common' => array('label'=>'Common','frequency'=>322,'icon'=>'',),
 538  'waterway:lock_gate' => array('label'=>'Lock Gate','frequency'=>321,'icon'=>'',),
 539  'natural:fell' => array('label'=>'Fell','frequency'=>308,'icon'=>'',),
 540  'amenity:nightclub' => array('label'=>'Nightclub','frequency'=>292,'icon'=>'',),
 541  'highway:path' => array('label'=>'Path','frequency'=>287,'icon'=>'',),
 542  'leisure:garden' => array('label'=>'Garden','frequency'=>285,'icon'=>'',),
 543  'landuse:reservoir' => array('label'=>'Reservoir','frequency'=>276,'icon'=>'',),
 544  'leisure:playground' => array('label'=>'Playground','frequency'=>264,'icon'=>'',),
 545  'leisure:stadium' => array('label'=>'Stadium','frequency'=>212,'icon'=>'',),
 546  'historic:mine' => array('label'=>'Mine','frequency'=>193,'icon'=>'poi_mine',),
 547  'natural:cliff' => array('label'=>'Cliff','frequency'=>193,'icon'=>'',),
 548  'tourism:caravan_site' => array('label'=>'Caravan Site','frequency'=>183,'icon'=>'accommodation_caravan_park',),
 549  'amenity:bus_station' => array('label'=>'Bus Station','frequency'=>181,'icon'=>'transport_bus_station',),
 550  'amenity:kindergarten' => array('label'=>'Kindergarten','frequency'=>179,'icon'=>'',),
 551  'highway:construction' => array('label'=>'Construction','frequency'=>176,'icon'=>'',),
 552  'amenity:atm' => array('label'=>'Atm','frequency'=>172,'icon'=>'money_atm2',),
 553  'amenity:emergency_phone' => array('label'=>'Emergency Phone','frequency'=>164,'icon'=>'',),
 554  'waterway:lock' => array('label'=>'Lock','frequency'=>146,'icon'=>'',),
 555  'waterway:riverbank' => array('label'=>'Riverbank','frequency'=>143,'icon'=>'',),
 556  'natural:coastline' => array('label'=>'Coastline','frequency'=>142,'icon'=>'',),
 557  'tourism:viewpoint' => array('label'=>'Viewpoint','frequency'=>140,'icon'=>'tourist_view_point',),
 558  'tourism:hostel' => array('label'=>'Hostel','frequency'=>140,'icon'=>'',),
 559  'tourism:bed_and_breakfast' => array('label'=>'Bed And Breakfast','frequency'=>140,'icon'=>'accommodation_bed_and_breakfast',),
 560  'railway:halt' => array('label'=>'Halt','frequency'=>135,'icon'=>'',),
 561  'railway:platform' => array('label'=>'Platform','frequency'=>134,'icon'=>'',),
 562  'railway:tram' => array('label'=>'Tram','frequency'=>130,'icon'=>'transport_tram_stop',),
 563  'amenity:courthouse' => array('label'=>'Courthouse','frequency'=>129,'icon'=>'amenity_court',),
 564  'amenity:recycling' => array('label'=>'Recycling','frequency'=>126,'icon'=>'amenity_recycling',),
 565  'amenity:dentist' => array('label'=>'Dentist','frequency'=>124,'icon'=>'health_dentist',),
 566  'natural:beach' => array('label'=>'Beach','frequency'=>121,'icon'=>'tourist_beach',),
 567  'place:moor' => array('label'=>'Moor','frequency'=>118,'icon'=>'',),
 568  'amenity:grave_yard' => array('label'=>'Grave Yard','frequency'=>110,'icon'=>'',),
 569  'waterway:drain' => array('label'=>'Drain','frequency'=>108,'icon'=>'',),
 570  'landuse:grass' => array('label'=>'Grass','frequency'=>106,'icon'=>'',),
 571  'landuse:village_green' => array('label'=>'Village Green','frequency'=>106,'icon'=>'',),
 572  'natural:bay' => array('label'=>'Bay','frequency'=>102,'icon'=>'',),
 573  'railway:tram_stop' => array('label'=>'Tram Stop','frequency'=>101,'icon'=>'transport_tram_stop',),
 574  'leisure:marina' => array('label'=>'Marina','frequency'=>98,'icon'=>'',),
 575  'highway:stile' => array('label'=>'Stile','frequency'=>97,'icon'=>'',),
 576  'natural:moor' => array('label'=>'Moor','frequency'=>95,'icon'=>'',),
 577  'railway:light_rail' => array('label'=>'Light Rail','frequency'=>91,'icon'=>'',),
 578  'railway:narrow_gauge' => array('label'=>'Narrow Gauge','frequency'=>90,'icon'=>'',),
 579  'natural:land' => array('label'=>'Land','frequency'=>86,'icon'=>'',),
 580  'amenity:village_hall' => array('label'=>'Village Hall','frequency'=>82,'icon'=>'',),
 581  'waterway:dock' => array('label'=>'Dock','frequency'=>80,'icon'=>'',),
 582  'amenity:veterinary' => array('label'=>'Veterinary','frequency'=>79,'icon'=>'',),
 583  'landuse:brownfield' => array('label'=>'Brownfield','frequency'=>77,'icon'=>'',),
 584  'leisure:track' => array('label'=>'Track','frequency'=>76,'icon'=>'',),
 585  'railway:historic_station' => array('label'=>'Historic Station','frequency'=>74,'icon'=>'',),
 586  'landuse:construction' => array('label'=>'Construction','frequency'=>72,'icon'=>'',),
 587  'amenity:prison' => array('label'=>'Prison','frequency'=>71,'icon'=>'amenity_prison',),
 588  'landuse:quarry' => array('label'=>'Quarry','frequency'=>71,'icon'=>'',),
 589  'amenity:telephone' => array('label'=>'Telephone','frequency'=>70,'icon'=>'',),
 590  'highway:traffic_signals' => array('label'=>'Traffic Signals','frequency'=>66,'icon'=>'',),
 591  'natural:heath' => array('label'=>'Heath','frequency'=>62,'icon'=>'',),
 592  'historic:house' => array('label'=>'House','frequency'=>61,'icon'=>'',),
 593  'amenity:social_club' => array('label'=>'Social Club','frequency'=>61,'icon'=>'',),
 594  'landuse:military' => array('label'=>'Military','frequency'=>61,'icon'=>'',),
 595  'amenity:health_centre' => array('label'=>'Health Centre','frequency'=>59,'icon'=>'',),
 596  'historic:building' => array('label'=>'Building','frequency'=>58,'icon'=>'',),
 597  'amenity:clinic' => array('label'=>'Clinic','frequency'=>57,'icon'=>'',),
 598  'highway:services' => array('label'=>'Services','frequency'=>56,'icon'=>'',),
 599  'amenity:ferry_terminal' => array('label'=>'Ferry Terminal','frequency'=>55,'icon'=>'',),
 600  'natural:marsh' => array('label'=>'Marsh','frequency'=>55,'icon'=>'',),
 601  'natural:hill' => array('label'=>'Hill','frequency'=>54,'icon'=>'',),
 602  'highway:raceway' => array('label'=>'Raceway','frequency'=>53,'icon'=>'',),
 603  'amenity:taxi' => array('label'=>'Taxi','frequency'=>47,'icon'=>'',),
 604  'amenity:take_away' => array('label'=>'Take Away','frequency'=>45,'icon'=>'',),
 605  'amenity:car_rental' => array('label'=>'Car Rental','frequency'=>44,'icon'=>'',),
 606  'place:islet' => array('label'=>'Islet','frequency'=>44,'icon'=>'',),
 607  'amenity:nursery' => array('label'=>'Nursery','frequency'=>44,'icon'=>'',),
 608  'amenity:nursing_home' => array('label'=>'Nursing Home','frequency'=>43,'icon'=>'',),
 609  'amenity:toilets' => array('label'=>'Toilets','frequency'=>38,'icon'=>'',),
 610  'amenity:hall' => array('label'=>'Hall','frequency'=>38,'icon'=>'',),
 611  'waterway:boatyard' => array('label'=>'Boatyard','frequency'=>36,'icon'=>'',),
 612  'highway:mini_roundabout' => array('label'=>'Mini Roundabout','frequency'=>35,'icon'=>'',),
 613  'historic:manor' => array('label'=>'Manor','frequency'=>35,'icon'=>'',),
 614  'tourism:chalet' => array('label'=>'Chalet','frequency'=>34,'icon'=>'',),
 615  'amenity:bicycle_parking' => array('label'=>'Bicycle Parking','frequency'=>34,'icon'=>'',),
 616  'amenity:hotel' => array('label'=>'Hotel','frequency'=>34,'icon'=>'',),
 617  'waterway:weir' => array('label'=>'Weir','frequency'=>33,'icon'=>'',),
 618  'natural:wetland' => array('label'=>'Wetland','frequency'=>33,'icon'=>'',),
 619  'natural:cave_entrance' => array('label'=>'Cave Entrance','frequency'=>32,'icon'=>'',),
 620  'amenity:crematorium' => array('label'=>'Crematorium','frequency'=>31,'icon'=>'',),
 621  'tourism:picnic_site' => array('label'=>'Picnic Site','frequency'=>31,'icon'=>'',),
 622  'landuse:wood' => array('label'=>'Wood','frequency'=>30,'icon'=>'',),
 623  'landuse:basin' => array('label'=>'Basin','frequency'=>30,'icon'=>'',),
 624  'natural:tree' => array('label'=>'Tree','frequency'=>30,'icon'=>'',),
 625  'leisure:slipway' => array('label'=>'Slipway','frequency'=>29,'icon'=>'',),
 626  'landuse:meadow' => array('label'=>'Meadow','frequency'=>29,'icon'=>'',),
 627  'landuse:piste' => array('label'=>'Piste','frequency'=>28,'icon'=>'',),
 628  'amenity:care_home' => array('label'=>'Care Home','frequency'=>28,'icon'=>'',),
 629  'amenity:club' => array('label'=>'Club','frequency'=>28,'icon'=>'',),
 630  'amenity:medical_centre' => array('label'=>'Medical Centre','frequency'=>27,'icon'=>'',),
 631  'historic:roman_road' => array('label'=>'Roman Road','frequency'=>27,'icon'=>'',),
 632  'historic:fort' => array('label'=>'Fort','frequency'=>26,'icon'=>'',),
 633  'railway:subway_entrance' => array('label'=>'Subway Entrance','frequency'=>26,'icon'=>'',),
 634  'historic:yes' => array('label'=>'Historic','frequency'=>25,'icon'=>'',),
 635  'highway:gate' => array('label'=>'Gate','frequency'=>25,'icon'=>'',),
 636  'leisure:fishing' => array('label'=>'Fishing','frequency'=>24,'icon'=>'',),
 637  'historic:museum' => array('label'=>'Museum','frequency'=>24,'icon'=>'',),
 638  'amenity:car_wash' => array('label'=>'Car Wash','frequency'=>24,'icon'=>'',),
 639  'railway:level_crossing' => array('label'=>'Level Crossing','frequency'=>23,'icon'=>'',),
 640  'leisure:bird_hide' => array('label'=>'Bird Hide','frequency'=>23,'icon'=>'',),
 641  'natural:headland' => array('label'=>'Headland','frequency'=>21,'icon'=>'',),
 642  'tourism:apartments' => array('label'=>'Apartments','frequency'=>21,'icon'=>'',),
 643  'amenity:shopping' => array('label'=>'Shopping','frequency'=>21,'icon'=>'',),
 644  'natural:scrub' => array('label'=>'Scrub','frequency'=>20,'icon'=>'',),
 645  'natural:fen' => array('label'=>'Fen','frequency'=>20,'icon'=>'',),
 646  'building:yes' => array('label'=>'Building','frequency'=>200,'icon'=>'',),
 647  'mountain_pass:yes' => array('label'=>'Mountain Pass','frequency'=>200,'icon'=>'',),
 648
 649  'amenity:parking' => array('label'=>'Parking','frequency'=>3157,'icon'=>'',),
 650  'highway:bus_stop' => array('label'=>'Bus Stop','frequency'=>35777,'icon'=>'transport_bus_stop2',),
 651  'place:postcode' => array('label'=>'Postcode','frequency'=>27267,'icon'=>'',),
 652  'amenity:post_box' => array('label'=>'Post Box','frequency'=>9613,'icon'=>'',),
 653
 654  'place:houses' => array('label'=>'Houses','frequency'=>85,'icon'=>'',),
 655  'railway:preserved' => array('label'=>'Preserved','frequency'=>227,'icon'=>'',),
 656  'waterway:derelict_canal' => array('label'=>'Derelict Canal','frequency'=>21,'icon'=>'',),
 657  'amenity:dead_pub' => array('label'=>'Dead Pub','frequency'=>20,'icon'=>'',),
 658  'railway:disused_station' => array('label'=>'Disused Station','frequency'=>114,'icon'=>'',),
 659  'railway:abandoned' => array('label'=>'Abandoned','frequency'=>641,'icon'=>'',),
 660  'railway:disused' => array('label'=>'Disused','frequency'=>72,'icon'=>'',),
 661                                 );
 662         }
 663
 664
 665         function getClassTypesWithImportance()
 666         {
 667                 $aOrders = getClassTypes();
 668                 $i = 1;
 669                 foreach($aOrders as $sID => $a)
 670                 {
 671                         $aOrders[$sID]['importance'] = $i++;
 672                 }
 673                 return $aOrders;
 674         }
 675
 676         function getResultDiameter($aResult)
 677         {
 678                 $aClassType = getClassTypes();
 679
 680                 $fDiameter = 0.0001;
 681
 682                 if (isset($aResult['class'])
 683                           && isset($aResult['type'])
 684                           && isset($aResult['admin_level'])
 685                           && isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
 686                                 && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
 687                 {
 688                         $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'];
 689                 }
 690                 elseif (isset($aResult['class'])
 691                           && isset($aResult['type'])
 692                           && isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
 693                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
 694                 {
 695                         $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
 696                 }
 697
 698                 return $fDiameter;
 699         }
 700
 701
 702         function javascript_renderData($xVal, $iOptions = 0)
 703         {
 704                 header("Access-Control-Allow-Origin: *");
 705                 if (defined('PHP_VERSION_ID') && PHP_VERSION_ID > 50400)
 706                         $iOptions |= JSON_UNESCAPED_UNICODE;
 707                 $jsonout = json_encode($xVal, $iOptions);
 708
 709                 if( ! isset($_GET['json_callback']))
 710                 {
 711                         header("Content-Type: application/json; charset=UTF-8");
 712                         echo $jsonout;
 713                 } else
 714                 {
 715                         if (preg_match('/^[$_\p{L}][$_\p{L}\p{Nd}.[\]]*$/u',$_GET['json_callback']))
 716                         {
 717                                 header("Content-Type: application/javascript; charset=UTF-8");
 718                                 echo $_GET['json_callback'].'('.$jsonout.')';
 719                         }
 720                         else
 721                         {
 722                                 header('HTTP/1.0 400 Bad Request');
 723                         }
 724                 }
 725         }
 726
 727
 728         function _debugDumpGroupedSearches($aData, $aTokens)
 729         {
 730                 $aWordsIDs = array();
 731                 if ($aTokens)
 732                 {
 733                         foreach($aTokens as $sToken => $aWords)
 734                         {
 735                                 if ($aWords)
 736                                 {
 737                                         foreach($aWords as $aToken)
 738                                         {
 739                                                 $aWordsIDs[$aToken['word_id']] = $sToken.'('.$aToken['word_id'].')';
 740                                         }
 741                                 }
 742                         }
 743                 }
 744                 echo "<table border=\"1\">";
 745                 echo "<tr><th>rank</th><th>Name Tokens</th><th>Name Not</th><th>Address Tokens</th><th>Address Not</th><th>country</th><th>operator</th><th>class</th><th>type</th><th>house#</th><th>Lat</th><th>Lon</th><th>Radius</th></tr>";
 746                 foreach($aData as $iRank => $aRankedSet)
 747                 {
 748                         foreach($aRankedSet as $aRow)
 749                         {
 750                                 echo "<tr>";
 751                                 echo "<td>$iRank</td>";
 752
 753                                 echo "<td>";
 754                                 $sSep = '';
 755                                 foreach($aRow['aName'] as $iWordID)
 756                                 {
 757                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 758                                         $sSep = ', ';
 759                                 }
 760                                 echo "</td>";
 761
 762                                 echo "<td>";
 763                                 $sSep = '';
 764                                 foreach($aRow['aNameNonSearch'] as $iWordID)
 765                                 {
 766                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 767                                         $sSep = ', ';
 768                                 }
 769                                 echo "</td>";
 770
 771                                 echo "<td>";
 772                                 $sSep = '';
 773                                 foreach($aRow['aAddress'] as $iWordID)
 774                                 {
 775                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 776                                         $sSep = ', ';
 777                                 }
 778                                 echo "</td>";
 779
 780                                 echo "<td>";
 781                                 $sSep = '';
 782                                 foreach($aRow['aAddressNonSearch'] as $iWordID)
 783                                 {
 784                                         echo $sSep.'#'.$aWordsIDs[$iWordID].'#';
 785                                         $sSep = ', ';
 786                                 }
 787                                 echo "</td>";
 788
 789                                 echo "<td>".$aRow['sCountryCode']."</td>";
 790
 791                                 echo "<td>".$aRow['sOperator']."</td>";
 792                                 echo "<td>".$aRow['sClass']."</td>";
 793                                 echo "<td>".$aRow['sType']."</td>";
 794
 795                                 echo "<td>".$aRow['sHouseNumber']."</td>";
 796
 797                                 echo "<td>".$aRow['fLat']."</td>";
 798                                 echo "<td>".$aRow['fLon']."</td>";
 799                                 echo "<td>".$aRow['fRadius']."</td>";
 800
 801                                 echo "</tr>";
 802                         }
 803                 }
 804                 echo "</table>";
 805         }
 806
 807
 808         function getAddressDetails(&$oDB, $sLanguagePrefArraySQL, $iPlaceID, $sCountryCode = false, $bRaw = false)
 809         {
 810                 $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata($iPlaceID)";
 811                 if (!$bRaw) $sSQL .= " WHERE isaddress OR type = 'country_code'";
 812                 $sSQL .= " order by rank_address desc,isaddress desc";
 813
 814                 $aAddressLines = $oDB->getAll($sSQL);
 815                 if (PEAR::IsError($aAddressLines))
 816                 {
 817                         var_dump($aAddressLines);
 818                         exit;
 819                 }
 820                 if ($bRaw) return $aAddressLines;
 821                 //echo "<pre>";
 822                 //var_dump($aAddressLines);
 823                 $aAddress = array();
 824                 $aFallback = array();
 825                 $aClassType = getClassTypes();
 826                 foreach($aAddressLines as $aLine)
 827                 {
 828                         $bFallback = false;
 829                         $aTypeLabel = false;
 830                         if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
 831                         elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
 832                         elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))]))
 833                         {
 834                                 $aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
 835                                 $bFallback = true;
 836                         }
 837                         else
 838                         {
 839                                 $aTypeLabel = array('simplelabel'=>'address'.$aLine['rank_address']);
 840                                 $bFallback = true;
 841                         }
 842                         if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber'])))
 843                         {
 844                                 $sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
 845                                 $sTypeLabel = str_replace(' ','_',$sTypeLabel);
 846                                 if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place')
 847                                 {
 848                                         $aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
 849                                 }
 850                                 $aFallback[$sTypeLabel] = $bFallback;
 851                         }
 852                 }
 853                 return $aAddress;
 854         }
 855
 856
 857         function geocodeReverse($fLat, $fLon, $iZoom=18)
 858         {
 859                 $oDB =& getDB();
 860
 861                 $sPointSQL = "ST_SetSRID(ST_Point($fLon,$fLat),4326)";
 862
 863                 // Zoom to rank, this could probably be calculated but a lookup gives fine control
 864                 $aZoomRank = array(
 865                                 0 => 2, // Continent / Sea
 866                                 1 => 2,
 867                                 2 => 2,
 868                                 3 => 4, // Country
 869                                 4 => 4,
 870                                 5 => 8, // State
 871                                 6 => 10, // Region
 872                                 7 => 10,
 873                                 8 => 12, // County
 874                                 9 => 12,
 875                                 10 => 17, // City
 876                                 11 => 17,
 877                                 12 => 18, // Town / Village
 878                                 13 => 18,
 879                                 14 => 22, // Suburb
 880                                 15 => 22,
 881                                 16 => 26, // Street, TODO: major street?
 882                                 17 => 26,
 883                                 18 => 30, // or >, Building
 884                                 19 => 30, // or >, Building
 885                                 );
 886                 $iMaxRank = isset($aZoomRank[$iZoom])?$aZoomRank[$iZoom]:28;
 887
 888                 // Find the nearest point
 889                 $fSearchDiam = 0.0001;
 890                 $iPlaceID = null;
 891                 $aArea = false;
 892                 $fMaxAreaDistance = 1;
 893                 while(!$iPlaceID && $fSearchDiam < $fMaxAreaDistance)
 894                 {
 895                         $fSearchDiam = $fSearchDiam * 2;
 896
 897                         // If we have to expand the search area by a large amount then we need a larger feature
 898                         // then there is a limit to how small the feature should be
 899                         if ($fSearchDiam > 2 && $iMaxRank > 4) $iMaxRank = 4;
 900                         if ($fSearchDiam > 1 && $iMaxRank > 9) $iMaxRank = 8;
 901                         if ($fSearchDiam > 0.8 && $iMaxRank > 10) $iMaxRank = 10;
 902                         if ($fSearchDiam > 0.6 && $iMaxRank > 12) $iMaxRank = 12;
 903                         if ($fSearchDiam > 0.2 && $iMaxRank > 17) $iMaxRank = 17;
 904                         if ($fSearchDiam > 0.1 && $iMaxRank > 18) $iMaxRank = 18;
 905                         if ($fSearchDiam > 0.008 && $iMaxRank > 22) $iMaxRank = 22;
 906                         if ($fSearchDiam > 0.001 && $iMaxRank > 26) $iMaxRank = 26;
 907
 908                         $sSQL = 'select place_id,parent_place_id from placex';
 909                         $sSQL .= ' WHERE ST_DWithin('.$sPointSQL.', geometry, '.$fSearchDiam.')';
 910                         $sSQL .= ' and rank_search != 28 and rank_search >= '.$iMaxRank;
 911                         $sSQL .= ' and (name is not null or housenumber is not null)';
 912                         $sSQL .= ' and class not in (\'waterway\')';
 913                         $sSQL .= ' and (ST_GeometryType(geometry) not in (\'ST_Polygon\',\'ST_MultiPolygon\') ';
 914                         $sSQL .= ' OR ST_DWithin('.$sPointSQL.', ST_Centroid(geometry), '.$fSearchDiam.'))';
 915                         $sSQL .= ' ORDER BY ST_distance('.$sPointSQL.', geometry) ASC limit 1';
 916                         //var_dump($sSQL);
 917                         $aPlace = $oDB->getRow($sSQL);
 918                         if (PEAR::IsError($aPlace))
 919                         {
 920                                 var_Dump($sSQL, $aPlace);
 921                                 exit;
 922                         }
 923                         $iPlaceID = $aPlace['place_id'];
 924                 }
 925
 926                 // The point we found might be too small - use the address to find what it is a child of
 927                 if ($iPlaceID)
 928                 {
 929                         $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = $iPlaceID order by cached_rank_address desc,isaddress desc,distance desc limit 1";
 930                         $iPlaceID = $oDB->getOne($sSQL);
 931                         if (PEAR::IsError($iPlaceID))
 932                         {
 933                                 var_Dump($sSQL, $iPlaceID);
 934                                 exit;
 935                         }
 936
 937                         if ($iPlaceID && $aPlace['place_id'] && $iMaxRank < 28)
 938                         {
 939                                 $sSQL = "select address_place_id from place_addressline where cached_rank_address <= $iMaxRank and place_id = ".$aPlace['place_id']." order by cached_rank_address desc,isaddress desc,distance desc";
 940                                 $iPlaceID = $oDB->getOne($sSQL);
 941                                 if (PEAR::IsError($iPlaceID))
 942                                 {
 943                                         var_Dump($sSQL, $iPlaceID);
 944                                         exit;
 945                                 }
 946                         }
 947                         if (!$iPlaceID)
 948                         {
 949                                 $iPlaceID = $aPlace['place_id'];
 950                         }
 951                 }
 952
 953                 return $iPlaceID;
 954         }
 955
 956         function addQuotes($s)
 957         {
 958                 return "'".$s."'";
 959         }
 960
 961         // returns boolean
 962         function validLatLon($fLat,$fLon)
 963         {
 964                 return ($fLat <= 90.1 && $fLat >= -90.1 && $fLon <= 180.1 && $fLon >= -180.1);
 965         }
 966
 967         // Do we have anything that looks like a lat/lon pair?
 968         // returns array(lat,lon,query_with_lat_lon_removed)
 969         // or null
 970         function looksLikeLatLonPair($sQuery)
 971         {
 972                 $sFound    = null;
 973                 $fQueryLat = null;
 974                 $fQueryLon = null;
 975
 976                 // degrees decimal minutes
 977                 // N 40 26.767, W 79 58.933
 978                 // N 40°26.767′, W 79°58.933′
 979                 //                  1         2                   3                  4         5            6
 980                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*?\\b/', $sQuery, $aData))
 981                 {
 982                         $sFound    = $aData[0];
 983                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 984                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 985                 }
 986                 // degrees decimal minutes
 987                 // 40 26.767 N, 79 58.933 W
 988                 // 40° 26.767′ N 79° 58.933′ W
 989                 //                      1             2                      3          4            5                    6
 990                 elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\b/', $sQuery, $aData))
 991                 {
 992                         $sFound    = $aData[0];
 993                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 994                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 995                 }
 996                 // degrees decimal seconds
 997                 // N 40 26 46 W 79 58 56
 998                 // N 40° 26′ 46″, W 79° 58′ 56″
 999                 //                      1        2            3            4                5        6            7            8
1000                 elseif (preg_match('/\\b([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\b/', $sQuery, $aData))
1001                 {
1002                         $sFound    = $aData[0];
1003                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
1004                         $fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
1005                 }
1006                 // degrees decimal seconds
1007                 // 40 26 46 N 79 58 56 W
1008                 // 40° 26′ 46″ N, 79° 58′ 56″ W
1009                 //                      1            2            3            4          5            6            7            8
1010                 elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([EW])\\b/', $sQuery, $aData))
1011                 {
1012                         $sFound    = $aData[0];
1013                         $fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
1014                         $fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
1015                 }
1016                 // degrees decimal
1017                 // N 40.446° W 79.982°
1018                 //                      1        2                               3        4
1019                 elseif (preg_match('/\\b([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\b/', $sQuery, $aData))
1020                 {
1021                         $sFound    = $aData[0];
1022                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
1023                         $fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
1024                 }
1025                 // degrees decimal
1026                 // 40.446° N 79.982° W
1027                 //                      1                           2          3                           4
1028                 elseif (preg_match('/\\b([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\b/', $sQuery, $aData))
1029                 {
1030                         $sFound    = $aData[0];
1031                         $fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
1032                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
1033                 }
1034                 // degrees decimal
1035                 // 12.34, 56.78
1036                 // [12.456,-78.90]
1037                 //                   1          2                             3                        4
1038                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData))
1039                 {
1040                         $sFound    = $aData[0];
1041                         $fQueryLat = $aData[2];
1042                         $fQueryLon = $aData[3];
1043                 }
1044
1045                 if (!validLatLon($fQueryLat, $fQueryLon)) return;
1046                 $sQuery = trim(str_replace($sFound, ' ', $sQuery));
1047
1048                 return array('lat' => $fQueryLat, 'lon' => $fQueryLon, 'query' => $sQuery);
1049         }
1050
1051
1052         function geometryText2Points($geometry_as_text, $fRadius)
1053         {
1054                 $aPolyPoints = NULL;
1055                 if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch))
1056                 {
1057                         preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
1058                 }
1059                 elseif (preg_match('#LINESTRING\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch))
1060                 {
1061                         preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
1062                 }
1063 /*              elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch))
1064                 {
1065                         preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
1066         }*/
1067                 elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#', $geometry_as_text, $aMatch))
1068                 {
1069                         $aPolyPoints = createPointsAroundCenter($aMatch[1], $aMatch[2], $fRadius);
1070                 }
1071
1072                 if (isset($aPolyPoints))
1073                 {
1074                         $aResultPoints = array();
1075                         foreach($aPolyPoints as $aPoint)
1076                         {
1077                                 $aResultPoints[] = array($aPoint[1], $aPoint[2]);
1078                         }
1079                         return $aResultPoints;
1080                 }
1081
1082                 return;
1083         }
1084
1085         function createPointsAroundCenter($fLon, $fLat, $fRadius)
1086         {
1087                         $iSteps = max(8, min(100, ($fRadius * 40000)^2));
1088                         $fStepSize = (2*pi())/$iSteps;
1089                         $aPolyPoints = array();
1090                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1091                         {
1092                                 $aPolyPoints[] = array('', $fLon+($fRadius*sin($f)), $fLat+($fRadius*cos($f)) );
1093                         }
1094                         return $aPolyPoints;
1095         }